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With space-saving considered as a premium feature for most homeowners, combi boilers do not require the need for a bulky hot water cylinder, thus saving valuable space. Gas combi boilers are fed directly from the mains water supply and, as such, offer on-demand, hot water as soon as a shower or hot tap is turned on, perfect for frantic mornings in a busy household. Aside from being convenient, combi boilers are highly efficient, as they only heat water that is required via an internal heat exchanger and are more cost-effective when it comes to installation than other boiler types. With a wide range of models with higher kW outputs for larger properties, there is a suitable gas boiler to suit your central heating needs.

 
 

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Filter Results
103 results
glow-worm-energy-25kw-combination-boiler-natural-gas-erp

Glow-worm Energy 25kW Combination Boiler Natural Gas ErP - 0010035896

£1,016.01 inc
VAT
Save £124.57 | Was £1,140.58
baxi-400-430-36kw-combi-21-boiler-lpg-7872837

Baxi 436 36kW Gas Combi Boiler 2.1 (Natural Gas/LPG) 7872837

£911.14 inc
VAT
Save £72.67 | Was £983.81
baxi-430-30kw-gas-combi-boiler-21-natural-gaslpg-vertical-flue

Baxi 430 30kW Gas Combi Boiler 2.1 (Natural Gas/LPG) - Vertical Flue

£910.08 inc
VAT
Save £72.59 | Was £982.67
glow-worm-energy7-35c-combination-boiler

Glow-worm Energy7 35kW 35C Combination Boiler 0010035898

£1,377.59 inc
VAT
Save £90.54 | Was £1,468.13
worcester-bosch-greenstar-8000-style-32kw-gas-combi-boiler-black-7736702580

Worcester Bosch Greenstar 8000+ Style 32kW Gas Combi Boiler Black - 7736702580

More Options Available
£1,717.13 inc
VAT
baxi-630-gas-combi-2-boiler

Baxi 630 30kW Gas Combi 2 Boiler - 7796587

£1,046.96 inc
VAT
worcester-greenstar-32cdi-compact-combination-boiler-natural-gas-erp

Worcester Bosch Greenstar 32CDi 32kW Compact ErP Combi Gas Boiler - 7733600055

More Options Available
£1,415.71 inc
VAT
baxi-400-424-24kw-combi-21-boiler-lpg-7872835

Baxi 424 24kW Gas Combi Boiler 2.1 (Natural Gas/LPG) 7872835

£751.96 inc
VAT
Save £98.53 | Was £850.49
worcester-bosch-greenstar-8000-50kw-gas-combi-boiler-7736702584

Worcester Bosch Greenstar 8000+ 50kW Gas Combi Boiler - 7736702584

More Options Available
£2,807.23 inc
VAT
worcester-greenstar-36cdi-compact-combination-boiler-natural-gas-erp

Worcester Bosch Greenstar 36CDi 36kW Compact Combi Gas Boiler - 7733600056

More Options Available
£1,669.61 inc
VAT
worcester-greenstar-4000-25kw-combination-boiler-natural-gas

Worcester Bosch Greenstar 4000 25kW Combi Gas Boiler - 7733600371

More Options Available
£1,242.87 inc
VAT
glow-worm-easicom-3-28kw-gas-combi-boiler-0010021402

Glow-worm Easicom 3 28kW Gas Combi Boiler 0010021402

£900.00 inc
VAT
Save £66.75 | Was £966.75
worcester-greenstar-28cdi-compact-combination-boiler-natural-gas-erp

Worcester Greenstar 28CDi 28kW Compact Combi Gas Boiler - 7733600054

More Options Available
£1,253.76 inc
VAT
ferroli-bluehelix-hitech-rrt-34c-combination-boiler-natural-gas

Ferroli BlueHelix HiTech RRT 34C 34kW Combination Boiler Natural Gas - 0T4B7AGA

£851.62 inc
VAT
Save £113.80 | Was £965.41
baxi-436-36kw-gas-combi-boiler-21-natural-gaslpg-usense-2-thermostat

Baxi 436 36kW Gas Combi Boiler 2.1 (Natural Gas/LPG) - uSense 2 Thermostat

£1,057.97 inc
VAT
Save £85.51 | Was £1,143.48
baxi-430-30kw-gas-combi-boiler-21-natural-gaslpg-vertical-flue-usense-2-thermostat

Baxi 430 30kW Gas Combi Boiler 2.1 (Natural Gas/LPG) - Vertical Flue & uSense 2 Thermostat

£1,056.91 inc
VAT
Save £106.93 | Was £1,163.84
baxi-400-430-30kw-combi-21-boiler-lpg-7872836

Baxi 400 430 30kW Combi 2.1 Boiler LPG - 7872836

£794.96 inc
VAT
Save £62.52 | Was £857.48
viessmann-vitodens-025-w-28kw-gas-condensing-combi-boiler-7098279

Viessmann Vitodens 025-W 28kW Gas Condensing Combi Boiler- 7098279

More Options Available
£765.74 inc
VAT
baxi-624-gas-combi-2-boiler

Baxi 624 24kW Gas Combi 2 Boiler - 7796586

£962.99 inc
VAT
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